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发明申请
US20070146853A1 Optical device with raster elements, and illumination system with the optical device 有权
具有光栅元件的光学装置，以及具有光学装置的照明系统

Optical device with raster elements, and illumination system with the optical device
摘要：
The invention relates to an optical device that includes (a) a first optical element with at least one first raster element, where the first raster element has a first axis, (b) a second optical element with at least one second raster element, where the second raster element has a second axis. The first raster element can be changed in its position relative to the second raster element, so that a distance between the first axis and the second axis is variable.
摘要（中）：

本发明涉及一种光学装置，其包括（a）具有至少一个第一光栅元件的第一光学元件，其中第一光栅元件具有第一轴，（b）具有至少一个第二光栅元件的第二光学元件，其中 第二光栅元件具有第二轴。 可以将第一光栅元件相对于第二光栅元件的位置改变，使得第一轴与第二轴之间的距离是可变的。

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